Create basic server

Includes app config and some initialization

keys.go

@@ -0,0 +1,26 @@
+package writefreely
+
+import (
+	"io/ioutil"
+)
+
+type keychain struct {
+	cookieAuthKey, cookieKey []byte
+}
+
+func initKeys(app *app) error {
+	var err error
+	app.keys = &keychain{}
+
+	app.keys.cookieAuthKey, err = ioutil.ReadFile("keys/cookies_auth.aes256")
+	if err != nil {
+		return err
+	}
+
+	app.keys.cookieKey, err = ioutil.ReadFile("keys/cookies_enc.aes256")
+	if err != nil {
+		return err
+	}
+
+	return nil
+}